Sokkia Hard Cover Cross-Section Book, 80 Page/Size 6-1/2" x 8-1/2" aluminum dual-clamp tripod drainage covers

drainage covers

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double Nylon-coated

Sokkia Hard Cover Cross-Section Book, 80 Page/Size 6-1/2" x 8-1/2" aluminum dual-clamp tripod drainage coversSokkia Hard Cover Cross Section Book Sokkia field books with rain resistant fine quality ledger paper hard bound in high visibility chrome yellow coated fabric. Each book contains 80 leaves printed in water proof ink. Also included is an Appendix of 11 tables of conversions, trigonometric functions, and formulae for solving right angles and curves. Left hand pages have 4 per inch blue horizontal lines and five red vertical lines. Left and right pages